Calculating-machine.



Nl. BARR R. A. BELL.

CALCULATING MACHINE.

APPLICATION FILED 0131.24. 1911.

M. BARR 61 R. A. BELL.

CALCULATING MACHINE.

APPLICATION 111.50 0CT.24. 1911.

l ,272,889. Fateuted July 16, 1918.

24 SHEETS-SHEET 2.

MJWHT- l ATTORNEYS IVI. BARR 6; R. A. BELL.

CALCULATING MACHINE.

APPLICATION FILED OCT. 24. ISH.

Patented July 16, 1918 24 SHEETSMSHLi-I 3.

INVENTORS ATTORNEYS M. BARR 6L R. A. BELL.

CALEULATING MACHINE.

ARPLICATION FILED OCT. 24, 1.9M. l l ,272,889. lmented July 1b, 1918.

24 SHEETS-SHEET 4.

M. BARR & R. A. B ELL.

CALCULATING MACHINE.

APPLICATION FILED 001.24. 19H.v

Patented July 16, 1918.

24 SHEETS-SHEET 5.

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M. BARR & R. A. BELL. cALcuL'AnNG MACHINE.

APPLICATION FILED 0CT.24. 191|.

Patented July 16, 1918.

24 SHEETS-SHEET 6.

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M. BARR & n.' A. BELL. CALCUL/ITWG MACHINE.

APPLICATION FILED OCT. 244. 19H.

Patented July 16, 1918.

24 SHEETS-SHEET 7.

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M. BARR & R. A. BELL. CALCIULATING MACHNE.

APPLICATION FILED OCT. 24| 191|. 1 ,272,889. Patented July 16, 1918.

24 SHEETS-SHEET 8.

M. BARR & R. A. BELL.

CALCULATING MACHINE.

APPLlcATloN H1511 ocT.24, 1911.

1,272,889. v Patented July 16,1918.

24 SHEETS-SHEET 9:

Mark Barrl Rom-1 A11-mur 11 SYM M. BARR & R. A. BELL.

CALCULATING MACHINE.

APPLLCATION FILED OCT. 24. I9! i.

1,272,889. Patentedmy16,1918.

24 SHEETS-SHEET l0.

am? @W @s-3%.... MGM BY f@ dita/myd IVI. BARR & R. A. B. ELI

cALcuLATING MACHINE.

APPLICATION FILED OCT. 24, 1911.

1 ,272,889.- Patented July 16, 1918.

24 SHEETS-SHEET Il.

TGRN U BY -T M. BARR 8L B. A. BELL.

CALCULATING MACHINE., APPLICATION man M1224, 19u.

1,272,889. Patented July 16, 1918.

24 SHEETS-SHEET I2.

M. BARR 6L R. A. BELL.

CALCULATING MACHINE.

APPLxcATloN FILED ocT. 24. 1911.

1,272,889. Patented July 16, 1918.

24 SHEETS-SHEET I3.

llfibzeoaeo. Mawztmzi A44-,6% ar Ban-f" 7 Roberf'Arfhur n M. BARR R. A.BELL.

CALCULATING MACHINE.

APPLICATION FILED OCT. 24. l'9I'I. 1,272,889. Patented Ju1y16,1918.

24 SHEETS-SHEET I 4.

@Www

A M. BARR &, A. A. ELL.

CALCULATING MACHINE. APPLICATION FILED ocT. 24. 19H.

l Patented my 16, 191s.

24 SHEETS-SHEET l5.

M. BARR EL H. A. BELL.

CALCULATING MACHINE. APPLICATION FILED ccr. 24. 191|.

1,272,889, Patented .my 16, 191s.'

24 SHEETS-SHEET I6- I /Z/Zizwmm [izveztmta M Mor-K Barr- M. BARR & A.BELL.

CALCULATING MACHINE.

APPLICATION mi: oc.24. 1911.

l1 ,272,889. Patented July 16, 1918.

24 SHEETS-SHEET I7.

M. BARR & R. A. BELL.

CALCULATING MACHINE.

APPLICATION man ocT. 24, 1911.

1,272,889. PawntedJmy16,191s.

24 SHEETS-SHEET 18.

Slmlllllll WQ/ Mark Barr Roberf Arhur Bell 0M ,M y

M. BARR 613.151. BELL.

CALCULATING MACHINE.

APPuATloN FILED ocr. 24. 1911.

Patented July 16, 1918.

24 SHEETS-SHEET 20.

Mdm m3 MS NI. BARR 1 R. A. BELL.

CALCULATING MACHINE. AfPLxcATloN FILED oc?. 24. 1'911. 1,272,889.

ATTORNEYS

